Family name ខ្ចា (ខ្ចា 
) , in the world, is an extremely rare cognomen. The family name ខ្ចា is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. More frequently, ខ្ចា is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ខ្ចា | Cambodia |